package com.zprmb.udzt.util;

import java.util.Random;

public class OrderNumUtil {
	public static String GenerateRandomNumber(int len) {
		String strArray = "0123456789";
		String ret = "";
		Random random = new Random();
		for (int i = 0; i < len; i++) {
			ret += strArray.charAt(random.nextInt(strArray.length()));
		}
		return ret;
	}

}
